Rainbow’s backup is a secure and convenient way to backup your wallet on your iOS or Android device. If you for any reason ever need to delete the backup or create a new backup, you can easily do so at any time as long as you still have access to your wallet and device!
How to Delete:
From the main screen, tap on the 3 dots in the upper right hand corner
Next, tap on the gear icon to access the app’s settings page.
Select “Backup” at the top of the settings list.
Tap on “Manage Cloud/Google Drive Backups” at the bottom of the backup screen. If you have imported multiple secret phrases or private keys, select which one you want to edit first.
Tap “Delete All iCloud/Google Drive Backups”.
Tap “Confirm and Delete Backups”.